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[" Q.14.The radii of curvature of the fa...

[" Q.14.The radii of curvature of the faces of a double convex lens are "10cm" and "15cm." If "],[" focal length of the lens is "12cm," find the refractive index of the material of the "],[" lens."2mark]

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The radii of curvatur of the faces of a double convex lens are 10cm and 15 cm. If focal length of the lens is 12 cm, find the refractive index of the material of the lens.

The radius of curvature of the faces of a double convex lens are 10 cm and 15 cm . If focal length of lens of lens is 12 cm , find the refractive index of the material of th lens.

The radius of curvature of the faces of a double convex lens are 10 cm and 15 cm . If focal length of lens of lens is 12 cm , find the refractive index of the material of the lens.

The radii of curvature of the faces of a double convex lens are 10 cm and 12 cm respectively.If the focal length of the lens is 12 cm ,find the refractive index of the material of the lens.

The radii of curvature of the faces of a double convex lens are 10 cm and 15 cm. If focal length is 12 cm. What is the refractive index of glass?

The radii of curvature of the faces of a double convex lens are 10 cm and 15 cm, Its focal length is 12 cm. What is the refractive index of the glass ?